Babies are born with the capacity to be a genius with over 100 billion brain cells, by age four they lose one quarter of them through lack of use.
The stimulation and development of the mind between birth and 4 years of age will determine how well their brain will function.
As early as age one the foundations are laid for how intelligent a child will be for life.

Any skill you want a child to be good at, whether music, languages, sport, learning, academics, problem solving, social skills… the earlier you expose their mind to the concepts and skills the better they will develop the neural pathways to be “good” at it.